Don t know the rules for European Roulette or the differences between European Roulette and American Roulette. Immortal Romance, Vikings Go Berzerk, Fruit Zen. Immortal Romance, Vikings Go Berzerk, Fruit Zen. . Don t know the rules for European Roulette or the differences between European Roulette and American Roulette. Algunas de las tragamonedas más populares son: Age of the Gods: God of Storm; Starburst; Guns N' Roses; Immortal Romance; Chilli Heat; Bonanza.